A sort of social fuel derived from salvaging defeating men.
Biofuels are fuels derived from biomass material such as plants and waste.
Coal and petroleum are fossil fuels derived from plants.
The use of biofuels, which are fuels derived from recently dead biological material, reduces dependence on petroleum and enhances energy security.
Biofuels - fuels derived from crops - can also reduce a vehicle's impact on the environment.
Reading Transport has become the first British bus company to run its buses on a fuel derived from oilseed rape.
Ethanol (ethyl alcohol) is a form of fuel derived from the complex carbohydrate-s in plants.
It aims to meet 20% of India's diesel demand with fuel derived from plants.
Whilst the two of them are virtually equally profitable, they cannot compete with fuels derived from oil.
It may also refer to fuels derived from other solids such as plastics or rubber waste.